There are many challenges.You can also attribute the Vietcong.
Answer:
They are found in the western regions of Canada
Explanation:
Coal. Coal is another of Canada's most essential natural resource as the nation's coal reserves are considered to be the world's fifth largest. Canada's coal mines are primarily located in the western region of the country with some of the greatest coal-producing provinces being British Columbia and Alberta.
https://www.worldatlas.com/articles/canada-natural-resources.html
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